110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: A higher level link library for general use in the game and tools.
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//
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//===========================================================================//
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#ifndef TIER2_H
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#define TIER2_H
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#if defined(_WIN32)
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#pragma once
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#endif
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#include "../tier1/tier1.h"
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class IFileSystem;
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class IMaterialSystem;
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class IColorCorrectionSystem;
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class IMaterialSystemHardwareConfig;
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class IDebugTextureInfo;
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class IVBAllocTracker;
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class IInputSystem;
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class INetworkSystem;
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class IP4;
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class IMdlLib;
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class IQueuedLoader;
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//-----------------------------------------------------------------------------
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// These tier2 libraries must be set by any users of this library.
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// They can be set by calling ConnectTier2Libraries or InitDefaultFileSystem.
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// It is hoped that setting this, and using this library will be the common
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// mechanism for allowing link libraries to access tier2 library interfaces
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//-----------------------------------------------------------------------------
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extern IFileSystem *g_pFullFileSystem;
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extern IMaterialSystem *materials;
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extern IMaterialSystem *g_pMaterialSystem;
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extern IInputSystem *g_pInputSystem;
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extern INetworkSystem *g_pNetworkSystem;
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extern IMaterialSystemHardwareConfig *g_pMaterialSystemHardwareConfig;
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extern IDebugTextureInfo *g_pMaterialSystemDebugTextureInfo;
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extern IVBAllocTracker *g_VBAllocTracker;
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extern IColorCorrectionSystem *colorcorrection;
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extern IP4 *p4;
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extern IMdlLib *mdllib;
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extern IQueuedLoader *g_pQueuedLoader;
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//-----------------------------------------------------------------------------
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// Call this to connect to/disconnect from all tier 2 libraries.
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// It's up to the caller to check the globals it cares about to see if ones are
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// missing
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//-----------------------------------------------------------------------------
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void ConnectTier2Libraries(CreateInterfaceFn *pFactoryList, int nFactoryCount);
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void DisconnectTier2Libraries();
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//-----------------------------------------------------------------------------
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// Call this to get the file system set up to stdio for utilities, etc:
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//-----------------------------------------------------------------------------
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void InitDefaultFileSystem(void);
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void ShutdownDefaultFileSystem(void);
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//-----------------------------------------------------------------------------
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// for simple utilities using valve libraries, call the entry point below in
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// main(). It will init a filesystem for you, init mathlib, and create the
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// command line.
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//-----------------------------------------------------------------------------
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void InitCommandLineProgram(int argc, char **argv);
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//-----------------------------------------------------------------------------
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// Helper empty implementation of an IAppSystem for tier2 libraries
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//-----------------------------------------------------------------------------
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template <class IInterface, int ConVarFlag = 0>
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class CTier2AppSystem : public CTier1AppSystem<IInterface, ConVarFlag> {
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typedef CTier1AppSystem<IInterface, ConVarFlag> BaseClass;
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public:
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CTier2AppSystem(bool bIsPrimaryAppSystem = true)
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: BaseClass(bIsPrimaryAppSystem) {}
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virtual bool Connect(CreateInterfaceFn factory) {
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if (!BaseClass::Connect(factory)) return false;
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if (BaseClass::IsPrimaryAppSystem()) {
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ConnectTier2Libraries(&factory, 1);
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}
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return true;
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}
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virtual InitReturnVal_t Init() {
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InitReturnVal_t nRetVal = BaseClass::Init();
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if (nRetVal != INIT_OK) return nRetVal;
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return INIT_OK;
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}
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virtual void Shutdown() { BaseClass::Shutdown(); }
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virtual void Disconnect() {
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if (BaseClass::IsPrimaryAppSystem()) {
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DisconnectTier2Libraries();
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}
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BaseClass::Disconnect();
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}
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};
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#endif // TIER2_H
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